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Shanghai Legend Electrical Equipment Co.LTD

    

Fuse Cutout


[LEF1,HR17,J Type Series] [China]
发布日期: April 07, 2008
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详情
Application
Fuses are primarily used for the protection of cables and conductors against overloads and short-circuit currents, regard-less of level, and are also suitable for the protection of equipment and systems.
Amongst the many tasks and different uses for fuses, are the following included;
A high measure of selectivity available in radial and ring networks for the avoidance of unnecessary operational faults
For protection of motor circuit in which operational short-term overloads and short-circuits can appear short circuit protection for switching devices such as contactors and circuit breakers
For TN and TT-networks where disconnection by means of the normal over current protection arrangement, fuses in the event of a fault prevent the continuation of dangerously high touch voltages.
The field of application for fuses is wide and extends from residential installations to applications in commercial buildings, industrial installations, power supply utilities, equipment manufacturers, and are also incorporated in switchboards and control panels.
Operating Class
The function of the fuse determines its operating class. Thereby the first letter gives the function class and the second gives the protection object:

1.Letter Accompanied fuses (AM, AR) are exclusively for short-circuit protection
a accompanied fuse
g general purpose fuses

2.Leteer gl (DIN VDE) /gG (IEC) General purpose cable and line protection
G general applications AM (DIN VDE/IEC) Accompanied motor circuit protection
M for protection of motor circuits
R for protection of rectifiers aR (DIN VDE/IEC) Accompanied semiconductor protection
cable and line protection (to DIN VDE)
 
其他信息
位置:  China 
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有样品提供:  YES 
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相关分类: 断路器, 电流接触器, 电源附件
相关关键字: fuse, fuser, fuse cutout
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Circuit Breaker: electrical supplies, circuit breaker, surge Protector, series circuit, electrical connectors, electric circuit, electrical switches, electrical plugs, motor controls, proximity switch, rotary encoder, incremental encoder, servo motors, potentiometers, transfer switch, isolation transformers
Contactor: mini circuits, contactors, automotive relays, electronic relays, solid state relay, electrical contacts, dc motor controller, motor starter
Power Accessories: power inverter, switch plates, power cords, surge protector, float switch, lightning protection, flow meter, terminal blocks, voltage regulators, light meter, cable tray, power systems, metal oxide varistor, pcb assembly
 

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